Rockwell Automation PowerFlex 700S Manuale utente

Installation Instructions

PowerFlex®700S and 700H Frame 14

Replacement Power Structures

Introduction Important:The Power Modules on PowerFlex 700S Phase II and 700H

frame 14 drives are matched at the factory and cannot be paired

with any other Power Modules. Therefore, when a Power

Module fails, you must replace both power structures on a

frame 14 drive.

Use this document to install replacement power structures on a frame 14

drive. This document covers the following replacement power structures:

What You Need to Do ❐ Step 1: Remove power from the drive

❐ Step 2: Remove the old power structures

❐ Step 3: Install the new power structures

❐ Step 4: Connect the new power structures to the components in the

drive

❐ Step 5: Install the product identification label on the new power

structures

❐ Step 6: Start the drive

Voltage Class

Spare Module Catalog

String

PowerFlex

700H AC

Input

PowerFlex

700H DC

Input

PowerFlex

700S AC

Input

PowerFlex

700S DC

Input

400/480V AC

(540/650V DC)

SK-H1-PWRMOD-D1K7 20CC1K7 20CH1K7 na na

20CD1K7 20CJ1K7 na na

SK-H1-PWRMOD-D2K1 20CC2K1 20CH2K1 na na

20CD2K1 20CJ2K1 na na

SK-H1-PWRMOD-D2K7 20CC2K7 20CH2K7 na na

20CD2K7 20CJ2K7 na na

600/690V AC

(810/932V DC)

SK-H1-PWRMOD-E1K5 20CE1K5 20CK1K5 20DE1K5 20DK1K5

20CF1K5 20CM1K5 20DF1K5 20DM1K5

SK-H1-PWRMOD-E1K9 20CE1K9 20CK1K9 na na

20CF1K9 20CM1K9 na na

SK-H1-PWRMOD-E2K2 20CE2K2 20CK2K2 na na

20CF2K2 20CM2K2 na na

2PowerFlex® 700S and 700H Frame 14 Replacement Power Structures

Power Structure Locations in Frame 14 Drives

Step 1: Removing Power

from the Drive

Above 1500A Drive 1500A Drive

Rectifying

Structure

Rectifying

Structure

Rectifying

Structure

Power

Structure

Power

Structure

Power

Structure

Power

Structure

Note: Shown with doors and control frames removed for clarity only.

!ATTENTION: To avoid an electric shock hazard, verify that

the voltage on the bus capacitors has discharged before servicing

the drive. Check the DC bus voltage at the Power Terminal

Block by measuring between the +DC and -DC terminals,

between the +DC terminal and the chassis, and between the -DC

terminal and the chassis. The voltage must be zero for all three

measurements.

Remove power before making or breaking cable connections.

When you remove or insert a cable connector with power

applied, an electrical arc may occur. An electrical arc can cause

personal injury or property damage by:

•sending an erroneous signal to your system’s field devices,

causing unintended machine motion

•causing an explosion in a hazardous environment

Electrical arcing causes excessive wear to contacts on both the

module and its mating connector. Worn contacts may create

electrical resistance.

PowerFlex® 700S and 700H Frame 14 Replacement Power Structures 3

1. Turn off and lock out input power. Wait five minutes.

2. Verify that there is no voltage at the drive’s input power terminals.

3. Measure between the +DC and -DC terminals, between the +DC

terminal and the chassis, and between the -DC terminal and the chassis.

The voltage must be zero for all three measurements.

Step 2: Removing the Old

Power Structures

Before you can remove the old power structures from the drive, you must

remove the protective screens, protective covers and air flow plates from the

drive.

Note: The following steps must be completed for both power structures in

the drive.

Removing the Protective Screens and Covers

1. For NEMA/UL Type 1 enclosures, remove the screws that secure the

protective screens to the enclosures and remove the screens.

2. Remove the four M5 POZIDRIV screws that secures each of the three

pairs of protective covers to the drive power structures and remove the

protective covers.

L1 L2 L3

DC BUS CONDUCTORS AND CAPACITORS

OPERATEAT HIGH VOLTAGE.REMOVE POWER

AND WAIT 5 MINUTES BEFORE SERVICING

DANGER

Three covers

4PowerFlex® 700S and 700H Frame 14 Replacement Power Structures

Removing the Air Flow Plates

3. Remove the four T8 Torx-head screws that secure each airflow plate to

the drive.

4. Slide each airflow plate off of the drive.

PowerFlex® 700S and 700H Frame 14 Replacement Power Structures 5

Important:Mark all connections and wires before removal to avoid

incorrect wiring during assembly.

5. Remove the motor connections from the output power terminals on both

of the power structures. Note: The terminals are located in different

positions, depending on whether du/dt filters are installed or not.

6. Remove the ground connections from the bottom of the power structure

enclosures.

7. Remove the input connections from the incoming DC bus terminals at

the top of both power structures.

U/T1 V/T2 W/T3

Side View

U/T1 V/T2 W/T3

ASIC Board Assembly

Power Supply Voltage

Feedback Board Assembly

Ground Terminals

DC Bus Terminals

Output Power Terminals

without du/dt Filters

Output Power Terminals

with du/dt Filters

DC–

(Front Terminals)

DC+

(Back Terminals)

6PowerFlex® 700S and 700H Frame 14 Replacement Power Structures

8. Remove the four screws that secure the cover to the ASIC assembly on

each power structure and remove the -DC bus connection from the

cover.

Remove –DC bus

connection

PowerFlex® 700S and 700H Frame 14 Replacement Power Structures 7

9. Disconnect the cable to the cooling fan, mounted on the ASIC assembly

cover, from connector X1 on the ASIC board and remove the ASIC

assembly cover from each power structure.

10. Disconnect the fiber optic cables (H1 - H7) from each ASIC board.

11. Disconnect the cable from connector H903 on each ASIC Feedback

board.

12. For drives with 700H control, disconnect the +24V supply cable from

connector X10 on ASIC board #1.

13. For drives with DC input, disconnect the external precharge circuitry

from connectors X9 and X15 from each ASIC board.

H11H12H13 H8

H9H10

X15

X3X4X5

H4H5H6 H1H2H3

X10

Disconnect fiber optic

cables (H1 - H7)

DC precharge

connections

Disconnect

cables

8PowerFlex® 700S and 700H Frame 14 Replacement Power Structures

14. Pull the rubber grommet, through which the ASIC board and Power

Supply Voltage Feedback board wire bundles are routed, out of the

drive frame and secure the wire bundles away from the frame of the

power structures.

15. Disconnect the fan control cables and, for drives with AC input,

disconnect the precharge cable from the Rectifying modules located to

the left of the ASIC board.

Rubber grommet and

wire bundles

Fan control cables -

Shown disconnected

Precharge cables -

Shown disconnected

PowerFlex® 700S and 700H Frame 14 Replacement Power Structures 9

16. For drives with 700H control, continue with step 19 on page 11. For

drives with 700S control, disconnect the DC bus connection cable from

the connector J2 and the motor feedback connection cable from

connector J1 at the top of the Power Supply Voltage Feedback board on

Power Structure #1 (see illustration below for location).

17. Carefully disconnect the fiber-optic cables from sockets J4 and J5 on

the side of each of the Power Supply Voltage Feedback boards and

carefully set them aside (see illustration below for location).

Important:Minimum inside bend radius for fiber-optic cable is 25.4 mm (1

in.). Any bends with a shorter inside radius can permanently

damage the fiber-optic cable. Signal attenuation increases with

decreased inside bend radii.

!ATTENTION: Hazard of permanent eye damage exists when

using optical transmission equipment. This product emits intense

light and invisible radiation. Do not look into fiber-optic ports or

fiber-optic cable connectors.

Disconnect:

10 PowerFlex® 700S and 700H Frame 14 Replacement Power Structures

18. Remove the four screws that secure each of the Power Supply Voltage

Feedback board assemblies to the fan housing on the power structures

and carefully remove the Power Supply Voltage Feedback board

assemblies.

19. Disconnect the cable from connector J8 on each of the Power Supply

Voltage Feedback boards, and set the cable aside.

Remove screws

J2 J1 J4 J5

Disconnect cable

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